APA (7e ed.) Bronvermelding

Crockett, J. U., Donovan, H., Merrilees, R. A., & Wolff, B. (1979). Landscape gardening. Time-Life.

Chicago (17e ed.) Bronvermelding

Crockett, James Underwood, Hedley Donovan, Rebecca A. Merrilees, en Barbara Wolff. Landscape Gardening. Virginia: Time-Life, 1979.

MLA (9e ed.) Bronvermelding

Crockett, James Underwood, et al. Landscape Gardening. Time-Life, 1979.